1820007896

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{19709}}^1$

素因数の和:19836

約数の個数: 64

約数和(自身を含む): 4172212800

約数和(自身を除く): 2352204904

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 97, 119, 136, 194, 238, 388, 476, 679, 776, 952, 1358, 1649, 2716, 3298, 5432, 6596, 11543, 13192, 19709, 23086, 39418, 46172, 78836, 92344, 137963, 157672, 275926, 335053, 551852, 670106, 1103704, 1340212, 1911773, 2345371, 2680424, 3823546, 4690742, 7647092, 9381484, 13382411, 15294184, 18762968, 26764822, 32500141, 53529644, 65000282, 107059288, 130000564, 227500987, 260001128, 455001974, 910003948, 1820007896]

約数ペア:

[(1, 1820007896), (2, 910003948), (4, 455001974), (7, 260001128), (8, 227500987), (14, 130000564), (17, 107059288), (28, 65000282), (34, 53529644), (56, 32500141), (68, 26764822), (97, 18762968), (119, 15294184), (136, 13382411), (194, 9381484), (238, 7647092), (388, 4690742), (476, 3823546), (679, 2680424), (776, 2345371), (952, 1911773), (1358, 1340212), (1649, 1103704), (2716, 670106), (3298, 551852), (5432, 335053), (6596, 275926), (11543, 157672), (13192, 137963), (19709, 92344), (23086, 78836), (39418, 46172)]